Oliver Raymond Harms (December 11, 1901 in Cole Camp, Missouri – June 3, 1980 in Houston, Texas) was the seventh president of the Lutheran Church–Missouri Synod (LCMS) from 1962 to 1969.
He was ordained on October 4, 1926, as pastor of Trinity Lutheran Church in Eden, Texas, where he served from 1926 to 1935.
In 1935, he became pastor of Trinity Lutheran Church in Houston, Texas, where he succeeded John W. Benhken, who had become the sixth president of the LCMS.
He served the LCMS as a member of its board of directors from 1950 to 1956, as a vice-president from 1956 to 1959, and as president from 1962 to 1969.
In 1953, he was awarded an honorary Doctor of Divinity degree from Concordia Seminary, St.